Sunspot region AR11576
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/09/20 | 4 | 50 | DSO | S22E62 | |
| 2012/09/21 | 3 | 70 | DSO | S21E52 | |
| 2012/09/22 | 2 | 50 | DSO | S21E43 | |
| 2012/09/23 | 2 | 50 | DAO | S21E30 | |
| 2012/09/24 | 2 | 50 | DSO | S22E17 | |
| 2012/09/25 | 2 | 40 | DSO | S21E04 | |
| 2012/09/26 | 3 | 30 | CRO | S21W09 | |
| 2012/09/27 | 2 | 10 | BXO | S20W21 | |
| 2012/09/28 | 1 | 5 | AXX | S20W35 | |
| 2012/09/29 | 1 | 0 | AXX | S21W47 |
| C |
|---|
| 3 |
The top 3 solar flares from sunspot region 11576
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.75 | 2012/09/19 | 15:04 | 15:12 | 15:21 | |
| 2 | C1.84 | 2012/09/19 | 16:37 | 16:42 | 16:52 | |
| 3 | C1.25 | 2012/09/28 | 21:15 | 21:18 | 21:20 |
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| Last M-flare | 2025/12/08 | M1.8 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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| Last 30 days | 108 +13.3 |